WP1624
Firewood Processor
Service and Maintenance
63
8.15 Electrical System – General
IMPORTANT! When assembling or replacing wire
harnesses, apply a thin coating of silicone dielectric grease
to the harness connectors.
Clean off any corrosion or loose particles, then apply a
small amount to the surfaces of the connectors where they
meet. The grease helps to stop any possibility of future
corrosion.
Reassemble the connection. If grease squeezes out, wipe
off.
8.16 Welding
IMPORTANT! If welding on the machine becomes
necessary, sensitive electronic components must be
removed from the machine beforehand. Welding can
produce stray voltage spikes that can damage these items.
• Disconnect and remove the P3 Controller from the
machine. Remove the cover over the hydraulic tank to
access it.
• Disconnect/unhook the machine from the tow unit,
tractor, or carrier machine.
• Disconnect the machine’s battery. Disconnect the
negative battery cable first before disconnecting the
positive battery cable.
• Place the welder ground clamp as close to the work
area as possible. Keep the welder cables away from the
control system electrical harnesses.
Fig. 100 – P3 Controller
8.16.1 Welding Safety
• If welding repairs are required, have them performed by
a trained welder with proper service instructions. Know
the material to be welded and select the correct welding
procedure and materials (electrodes, rods, wire) that
provide a weld metal strength equivalent to the parent
material.
• Work with extra care when welding, grinding or torch
cutting near flammable objects.
• Welding on painted surfaces releases dangerous fumes
and results in a poor weld joint that can result in failure and
potential accidents. Always remove paint from areas to be
welded.
• Heated paint gives of poisonous gases. Therefore, paint
must be removed from an area with a radius of at least
4" (10 cm) before carrying out welding, grinding or gas
cutting. In addition to the health hazard, the weld is of
inferior quality and strength if the paint is not removed.
Methods and precautionary measures when removing paint:
Blasting—use respiratory protective equipment and protective
goggles.
Paint remover or other chemicals—use a portable air extractor,
respiratory protective equipment and protective gloves.
Grinding—use a portable air extractor, respiratory protective
equipment and protective gloves and goggles.
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